291 lines
8.8 KiB
Python
Executable File
291 lines
8.8 KiB
Python
Executable File
#coding: utf-8
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# +-------------------------------------------------------------------
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# | 宝塔Linux面板
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# +-------------------------------------------------------------------
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# | Copyright (c) 2015-2016 宝塔软件(http://bt.cn) All rights reserved.
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# +-------------------------------------------------------------------
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# | Author: 黄文良 <287962566@qq.com>
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# +-------------------------------------------------------------------
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import sqlite3
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import os
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class Sql():
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#------------------------------
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# 数据库操作类 For sqlite3
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#------------------------------
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__DB_FILE = None # 数据库文件
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__DB_CONN = None # 数据库连接对象
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__DB_TABLE = "" # 被操作的表名称
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__OPT_WHERE = "" # where条件
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__OPT_LIMIT = "" # limit条件
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__OPT_ORDER = "" # order条件
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__OPT_FIELD = "*" # field条件
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__OPT_PARAM = () # where值
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def __init__(self):
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self.__DB_FILE = 'data/default.db'
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def __GetConn(self):
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#取数据库对象
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try:
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if self.__DB_CONN == None:
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self.__DB_CONN = sqlite3.connect(self.__DB_FILE)
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except Exception,ex:
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return "error: " + str(ex)
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def dbfile(self,name):
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self.__DB_FILE = 'data/' + name + '.db'
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return self
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def table(self,table):
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#设置表名
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self.__DB_TABLE = table
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return self
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def where(self,where,param):
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#WHERE条件
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if where:
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self.__OPT_WHERE = " WHERE " + where
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self.__OPT_PARAM = param
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return self
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def order(self,order):
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#ORDER条件
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if len(order):
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self.__OPT_ORDER = " ORDER BY "+order
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return self
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def limit(self,limit):
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#LIMIT条件
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if len(limit):
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self.__OPT_LIMIT = " LIMIT "+limit
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return self
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def field(self,field):
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#FIELD条件
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if len(field):
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self.__OPT_FIELD = field
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return self
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def select(self):
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#查询数据集
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self.__GetConn()
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try:
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sql = "SELECT " + self.__OPT_FIELD + " FROM " + self.__DB_TABLE + self.__OPT_WHERE + self.__OPT_ORDER + self.__OPT_LIMIT
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result = self.__DB_CONN.execute(sql,self.__OPT_PARAM)
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data = result.fetchall()
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#构造字曲系列
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if self.__OPT_FIELD != "*":
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field = self.__OPT_FIELD.split(',')
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tmp = []
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for row in data:
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i=0
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tmp1 = {}
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for key in field:
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tmp1[key] = row[i]
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i += 1
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tmp.append(tmp1)
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del(tmp1)
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data = tmp
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del(tmp)
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else:
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#将元组转换成列表
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tmp = map(list,data)
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data = tmp
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del(tmp)
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self.__close()
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return data
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except Exception,ex:
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return "error: " + str(ex)
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def getField(self,keyName):
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#取回指定字段
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result = self.field(keyName).select();
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if len(result) == 1:
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return result[0][keyName]
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return result
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def setField(self,keyName,keyValue):
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#更新指定字段
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return self.save(keyName,(keyValue,))
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def find(self):
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#取一行数据
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result = self.limit("1").select()
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if len(result) == 1:
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return result[0]
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return result
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def count(self):
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#取行数
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key="COUNT(*)"
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data = self.field(key).select()
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try:
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return int(data[0][key])
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except:
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return 0
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def add(self,keys,param):
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#插入数据
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self.__GetConn()
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self.__DB_CONN.text_factory = str
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try:
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values=""
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for key in keys.split(','):
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values += "?,"
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values = self.checkInput(values[0:len(values)-1]);
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sql = "INSERT INTO "+self.__DB_TABLE+"("+keys+") "+"VALUES("+values+")"
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result = self.__DB_CONN.execute(sql,param)
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id = result.lastrowid
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self.__close()
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self.__DB_CONN.commit()
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return id
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except Exception,ex:
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return "error: " + str(ex)
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def checkInput(self,data):
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if not data: return data;
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if type(data) != str: return data;
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checkList = [
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{'d':'<','r':'＜'},
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{'d':'>','r':'＞'},
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{'d':'\'','r':'‘'},
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{'d':'"','r':'“'},
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{'d':'&','r':'＆'},
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{'d':'#','r':'＃'},
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{'d':'<','r':'＜'}
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]
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for v in checkList:
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data = data.replace(v['d'],v['r']);
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return data;
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def addAll(self,keys,param):
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#插入数据
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self.__GetConn()
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self.__DB_CONN.text_factory = str
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try:
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values=""
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for key in keys.split(','):
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values += "?,"
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values = values[0:len(values)-1]
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sql = "INSERT INTO "+self.__DB_TABLE+"("+keys+") "+"VALUES("+values+")"
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result = self.__DB_CONN.execute(sql,param)
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return True
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except Exception,ex:
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return "error: " + str(ex)
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def commit(self):
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self.__close()
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self.__DB_CONN.commit()
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def save(self,keys,param):
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#更新数据
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self.__GetConn()
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self.__DB_CONN.text_factory = str
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try:
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opt = ""
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for key in keys.split(','):
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opt += key + "=?,"
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opt = opt[0:len(opt)-1]
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sql = "UPDATE " + self.__DB_TABLE + " SET " + opt+self.__OPT_WHERE
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import public
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public.writeFile('/tmp/test.pl',sql)
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#处理拼接WHERE与UPDATE参数
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tmp = list(param)
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for arg in self.__OPT_PARAM:
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tmp.append(arg)
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self.__OPT_PARAM = tuple(tmp)
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result = self.__DB_CONN.execute(sql,self.__OPT_PARAM)
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self.__close()
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self.__DB_CONN.commit()
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return result.rowcount
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except Exception,ex:
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return "error: " + str(ex)
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def delete(self,id=None):
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#删除数据
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self.__GetConn()
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try:
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if id:
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self.__OPT_WHERE = " WHERE id=?"
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self.__OPT_PARAM = (id,)
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sql = "DELETE FROM " + self.__DB_TABLE + self.__OPT_WHERE
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result = self.__DB_CONN.execute(sql,self.__OPT_PARAM)
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self.__close()
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self.__DB_CONN.commit()
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return result.rowcount
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except Exception,ex:
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return "error: " + str(ex)
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def execute(self,sql,param):
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#执行SQL语句返回受影响行
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self.__GetConn()
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try:
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result = self.__DB_CONN.execute(sql,param)
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self.__DB_CONN.commit()
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return result.rowcount
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except Exception,ex:
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return "error: " + str(ex)
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def query(self,sql,param):
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#执行SQL语句返回数据集
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self.__GetConn()
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try:
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result = self.__DB_CONN.execute(sql,param)
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#将元组转换成列表
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data = map(list,result)
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return data
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except Exception,ex:
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return "error: " + str(ex)
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def create(self,name):
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#创建数据表
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self.__GetConn()
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import public
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script = public.readFile('data/' + name + '.sql')
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result = self.__DB_CONN.executescript(script)
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self.__DB_CONN.commit()
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return result.rowcount
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def fofile(self,filename):
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#执行脚本
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self.__GetConn()
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import public
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script = public.readFile(filename)
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result = self.__DB_CONN.executescript(script)
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self.__DB_CONN.commit()
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return result.rowcount
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def __close(self):
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#清理条件属性
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self.__OPT_WHERE = ""
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self.__OPT_FIELD = "*"
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self.__OPT_ORDER = ""
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self.__OPT_LIMIT = ""
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self.__OPT_PARAM = ()
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def close(self):
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#释放资源
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try:
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self.__DB_CONN.close()
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self.__DB_CONN = None
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except:
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pass
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